8638612 has 12 divisors (see below), whose sum is σ = 15526420. Its totient is φ = 4202496.

The previous prime is 8638583. The next prime is 8638621. The reversal of 8638612 is 2168368.

It can be written as a sum of positive squares in 2 ways, for example, as 6370576 + 2268036 = 2524^2 + 1506^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29037 + ... + 29332.

Almost surely, 2^8638612 is an apocalyptic number.

It is an amenable number.

8638612 is a deficient number, since it is larger than the sum of its proper divisors (6887808).

8638612 is a wasteful number, since it uses less digits than its factorization.

8638612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58410 (or 58408 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 8638612 is about 2939.1515782620. The cubic root of 8638612 is about 205.1861248340.

The spelling of 8638612 in words is "eight million, six hundred thirty-eight thousand, six hundred twelve".